diff --git a/src/files.c b/src/files.c
index 3ef71470..b72d6442 100644
--- a/src/files.c
+++ b/src/files.c
@@ -21,6 +21,7 @@
 
 #include "proto.h"
 
+#include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
diff --git a/src/nano.h b/src/nano.h
index 6c699209..270e806c 100644
--- a/src/nano.h
+++ b/src/nano.h
@@ -48,8 +48,6 @@
 #include <sys/param.h>
 #endif
 
-#include <stdarg.h>
-
 /* Suppress warnings for __attribute__((warn_unused_result)). */
 #define IGNORE_CALL_RESULT(call) do { if (call) {} } while(0)